const formatTime = date => {
  const year = date.getFullYear()
  const month = date.getMonth() + 1
  const day = date.getDate()
  const hour = date.getHours()
  const minute = date.getMinutes()
  const second = date.getSeconds()

  return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}

const formatNumber = n => {
  n = n.toString()
  return n[1] ? n : '0' + n
}

const isPhoneNumber = function (str) {
  let china = /^[1][3-8]\d{9}$|^([6|9])\d{7}$|^[6]([8|6])\d{5}$/;
  if (china.test(str)) {
    return true;
  } else {
    return false;
  }
}


module.exports = {
  isPhoneNumber: isPhoneNumber,
  formatTime: formatTime
}
